Unipolar Linear Hall-Effect Sensor ICs with Analog Output

ALS31000, A31004

ALS31000 Product Image

The ALS31000/A31004 linear Hall-effect sensors provide accurate and stable analog output for a variety of applications. These unidirectional devices offer a miniature package, temperature stability, and diagnostic capabilities.

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Top Features

Packaging

  • 5 V supply operation - ALS31000
  • 3.3 V supply operation - A31004
  • QVO temperature coefficient programmed at Allegro™ for improved accuracy
  • Miniature package options
  • High-bandwidth, low-noise analog output
  • High-speed chopping scheme minimizes QVO drift across operating temperature range
  • Temperature-stable quiescent voltage output and sensitivity
  • Precise recoverability after temperature cycling
  • Output voltage clamps provide short-circuit diagnostic capabilities
  • Undervoltage lockout (UVLO)
  • Wide ambient temperature range: –40°C to 150°C
  • Immune to mechanical stress
  • Enhanced EMC performance for stringent automotive applications

The ALS31000 and A31004 sensor ICs are offered in the LH package style: a 3-Pin SOT-23W style, miniature, low-profile package for surface-mount applications. The package is lead (Pb) free, with 100% matte tin leadframe plating.

LH Package Documentation

Part Number Specifications and Availability